Summary

Dr. Douglas Zlock has practiced endocrinology, diabetes and metabolism, and internal medicine for 40 years and is affiliated with John Muir Health Concord Medical Center. He completed his residency at University Hospital and received his medical degree from Lewis Katz School of Medicine at Temple University. He sees patients in Walnut Creek and Concord, California, and speaks English, Spanish, and Vietnamese. Patients on Vitals rate Dr. Zlock 3.88 out of 5.

Overview based on verified provider data

Quick Facts

  • 3.9
  • 40 years of experience
  • 11 insurance plans accepted
  • speaks English, Spanish, Vietnamese
  • University Hospital
  • 12 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Douglas William Zlock has 3 locations

John Muir Health

1450 Treat Blvd Ste 250AWalnut Creek, CA 94597
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Walnut Creek Medical Center

1601 Ygnacio Valley RdWalnut Creek, CA 94598

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Dr. Douglas William Zlock, MD
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Dr. Douglas William Zlock, MDGrace Eng, MDDipti Raichand TrehanCraig Murray Steinmaus
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismAnesthesiologyPublic Health & General Preventive Medicine
Accepts New Patients Accepts New Patients
3.9 
3.6 
0 
0 
40 Years of Experience 27 Years of Experience 28 Years of Experience 37 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish, Vietnamese Speaks Chinese, English, Spanish
Walnut Creek , CAEmeryville , CABrentwood , CAOakland , CA
Med School: Lewis Katz School Of Medicine At Temple University Med School: University Of Michigan Medical School Med School: New York Medical College Med School: University Of California Davis School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Douglas William Zlock

  • Anthem Blue Cross
  • Anthem Blue Cross - Medicaid
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Cigna
  • Health Net - HMO
  • Humana
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Douglas William Zlock has the following 2 specialties

Specialty Expertise

Dr. Douglas William Zlock has the following 10 areas of expertise

  • Check-up
  • Diabetes
  • Diabetes, Type 2
  • Endocrinology
  • Heartburn
  • Immunization
  • Internal Medicine
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

40 Years Experience

Education & Training

Residency

Completed their residency at University Hospital.

Medical School

Graduated from Lewis Katz School Of Medicine At Temple University in 1986.

NPI Number

Dr. Zlock's NPI number is 1427082692.

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Frequently Asked Questions

Does Dr. Douglas Zlock accept virtual/telehealth appointments?
Dr. Douglas Zlock has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Douglas Zlock's office located?
Dr. Douglas Zlock's office is located at 1450 Treat Blvd Ste 250A, Walnut Creek, CA, 94597.
How can I make an appointment with Dr. Douglas Zlock?
You can find contact information for Dr. Douglas Zlock here on Vitals.
Which hospitals is Dr. Douglas Zlock affiliated with?
Dr. Douglas Zlock is affiliated with John Muir Health Concord Medical Center.
What languages does Dr. Douglas Zlock speak?
Dr. Douglas Zlock speaks English, Spanish, and Vietnamese.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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